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Add information about minimum archive node reqs #875

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Aug 30, 2024
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Add information about minimum archive node reqs #875

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d3877d3
Add information about minimum archive node reqs
bradleycamacho Aug 30, 2024
5224402
Fix bad phrasing
bradleycamacho Aug 30, 2024
c182ee9
adding callout import
sbvegan Aug 30, 2024
c8c2b40
Clarify phrasing of non-sequencer archive node options
bradleycamacho Aug 30, 2024
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6 changes: 5 additions & 1 deletion pages/builders/chain-operators/architecture.mdx
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Expand Up @@ -5,7 +5,7 @@ description: Learn about the OP chain architecture.
---

import Image from 'next/image'

import { Callout } from 'nextra/components'
import {OpProposerDescriptionShort} from '@/content/index.js'

# Chain Architecture
Expand Down Expand Up @@ -82,6 +82,10 @@ The Sequencer node works with the batcher and proposer to create new blocks. So
handle the state changing RPC request `eth_sendRawTransaction`. It can be peered with
replica nodes to gossip new `unsafe` blocks to the rest of the network.

<Callout type="info">
To run a rollup, you need a minimum of one archive node. This is required by the proposer as the the data that it needs can be older than the data available to a full node. Note that since the proposer doesn't care what archive node it points to, you can technically point it towards an archive node that isn't the sequencer.
</Callout>

<Image src="/img/builders/chain-operators/sequencer-node.png" alt="Sequencer Node Diagram" width={400} height={400} />

### Replica node
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2 changes: 1 addition & 1 deletion pages/builders/chain-operators/tutorials/create-l2-rollup.mdx
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Expand Up @@ -531,7 +531,7 @@ cd ~/op-geth
<Callout type="info">
You're using `--gcmode=archive` to run `op-geth` here because this node will act as your Sequencer.
It's useful to run the Sequencer in archive mode because the `op-proposer` requires access to the full state.
Feel free to run other (non-Sequencer) nodes in full mode if you'd like to save disk space.
Feel free to run other (non-Sequencer) nodes in full mode if you'd like to save disk space. Just make sure at least one other archive node exists and the `op-proposer` points to it.
</Callout>

<Callout type="info">
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